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DG445CY Datasheet(PDF) 1 Page - Maxim Integrated Products |
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DG445CY Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 8 page Improved, Quad, SPST Analog Switches ________________________________________________________________ Maxim Integrated Products 1 Call toll free 1-800-998-8800 for free samples or literature. _______________General Description Maxim’s redesigned DG444/DG445 analog switches now feature on-resistance matching (4 Ω max) between switches and guaranteed on-resistance flatness over the signal range (9 Ω max). These low on-resistance switches conduct equally well in either direction. They guarantee low charge injection (10pC max), low power consumption (35µW max), and an ESD tolerance of 2000V minimum per Method 3015.7. The new design offers lower off leakage current over temperature (less than 5nA at +85°C). The DG444/DG445 are quad, single-pole/single-throw (SPST) analog switches. The DG444 has 4 normally closed switches and the DG445 has 4 normally open switches. Switching times are less than 250ns for tON and less than 70ns for tOFF. Operation is from a single +10V to +30V supply, or bipolar ±4.5V to ±20V sup- plies. Maxim’s improved DG444/DG445 continue to be fabricated with a 44V silicon-gate process. ________________________Applications Sample-and-Hold Circuits Communication Systems Test Equipment Battery-Operated Systems Heads-Up Displays PBX, PABX Guidance and Control Systems Audio Signal Routing Military Radios Modems/Faxes ______________________New Features o Plug-In Upgrades for Industry-Standard DG444/DG445 o Improved rON Match Between Channels (4 Ω max) o Guaranteed rFLAT(ON) Over Signal Range (9 Ω max) o Improved Charge Injection (10pC max) o Improved Off Leakage Current Over Temperature (<5nA at +85°C) o Withstand Electrostatic Discharge (2000V min) per Method 3015.7 __________________Existing Features o Low rDS(ON) (85 Ω max) o Single-Supply Operation +10V to +30V Bipolar-Supply Operation ±4.5V to ±20V o Low Power Consumption (35µW max) o Rail-to-Rail Signal Handling o TTL/CMOS-Logic Compatible ______________Ordering Information Ordering Information continued at end of data sheet. * Contact factory for dice specifications. PART TEMP. RANGE PIN-PACKAGE DG444CJ 0°C to +70°C 16 Plastic DIP DG444DY 0°C to +70°C 16 Narrow SO DG444C/D 0°C to +70°C Dice* DG444DJ -40°C to +85°C 16 Plastic DIP DG444DY -40°C to +85°C 16 Narrow SO 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 IN2 D2 S2 V+ V- S1 D1 IN1 DG445 VL S3 D3 IN3 IN4 D4 S4 GND DIP/SO DIP/SO DG445 LOGIC SWITCH 0 1 OFF ON SWITCHES SHOWN FOR LOGIC "0" INPUT DG444 LOGIC SWITCH 0 1 ON OFF 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 IN2 D2 S2 V+ V- S1 D1 IN1 DG444 VL S3 D3 IN3 IN4 D4 S4 GND TOP VIEW _____________________Pin Configurations/Functional Diagrams/Truth Tables 19-4705; Rev 1; 4/94 |
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